Home / 141,540.12-212,312-41,677.60

Finding the Fourth Proportional to 141,540.12, 212,312 and 41,677.60

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Solution

The fourth proportional to 141,540.12, 212,312 and 41,677.60 is: 62,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,540.12 : 212,312 = 41,677.60 : x
  2. Step 2: Convert to fraction form
    141,540.12/212,312 = 41,677.60/x
  3. Step 3: Cross multiply
    141,540.12x = 212,312 × 41,677.60
  4. Step 4: Simplify right side
    141,540.12x = 8,848,654,611.20
  5. Step 5: Solve for x
    x = 8,848,654,611.20/141,540.12
  6. Step 6: Final answer
    x = 62,516.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.